Home / 147,976.47-221,966.76-48,137.19

Finding the Fourth Proportional to 147,976.47, 221,966.76 and 48,137.19

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Solution

The fourth proportional to 147,976.47, 221,966.76 and 48,137.19 is: 72,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,976.47 : 221,966.76 = 48,137.19 : x
  2. Step 2: Convert to fraction form
    147,976.47/221,966.76 = 48,137.19/x
  3. Step 3: Cross multiply
    147,976.47x = 221,966.76 × 48,137.19
  4. Step 4: Simplify right side
    147,976.47x = 10,684,856,099.80
  5. Step 5: Solve for x
    x = 10,684,856,099.80/147,976.47
  6. Step 6: Final answer
    x = 72,206.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.